This double welt cord foot is designed to fit Viking Husqvarna machines numbered 1 through 7. It is compatible with various models including Orchidea 1250, Prisma 990 S, Optima 630, Clica 105, Prelude 340, Platinum 955 E, Designer Diamond Royale, and many others. The foot features a precise design to assist in creating professional double welt cord finishes. Its compatibility spans a wide range of models, ensuring versatility for different sewing projects. The foot is identified by the part number 4126271-45 and is suitable for use with multiple machine types within the specified range. This accessory is ideal for adding decorative cord details to your sewing projects, providing a clean and consistent finish. Its durable construction ensures reliable performance across various fabrics and sewing techniques, making it a valuable addition to your sewing toolkit.